//
// Copyright (C) 2016 Google, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//    Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
//    Redistributions in binary form must reproduce the above
//    copyright notice, this list of conditions and the following
//    disclaimer in the documentation and/or other materials provided
//    with the distribution.
//
//    Neither the name of Google Inc. nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

#include <cctype>
#include <cstdlib>
#include <cstring>
#include <sstream>

#include "ResourceLimits.h"

namespace glslang
{

    const TBuiltInResource DefaultTBuiltInResource = {
        /* .MaxLights = */ 32,
        /* .MaxClipPlanes = */ 6,
        /* .MaxTextureUnits = */ 32,
        /* .MaxTextureCoords = */ 32,
        /* .MaxVertexAttribs = */ 64,
        /* .MaxVertexUniformComponents = */ 4096,
        /* .MaxVaryingFloats = */ 64,
        /* .MaxVertexTextureImageUnits = */ 32,
        /* .MaxCombinedTextureImageUnits = */ 80,
        /* .MaxTextureImageUnits = */ 32,
        /* .MaxFragmentUniformComponents = */ 4096,
        /* .MaxDrawBuffers = */ 32,
        /* .MaxVertexUniformVectors = */ 128,
        /* .MaxVaryingVectors = */ 8,
        /* .MaxFragmentUniformVectors = */ 16,
        /* .MaxVertexOutputVectors = */ 16,
        /* .MaxFragmentInputVectors = */ 15,
        /* .MinProgramTexelOffset = */ -8,
        /* .MaxProgramTexelOffset = */ 7,
        /* .MaxClipDistances = */ 8,
        /* .MaxComputeWorkGroupCountX = */ 65535,
        /* .MaxComputeWorkGroupCountY = */ 65535,
        /* .MaxComputeWorkGroupCountZ = */ 65535,
        /* .MaxComputeWorkGroupSizeX = */ 1024,
        /* .MaxComputeWorkGroupSizeY = */ 1024,
        /* .MaxComputeWorkGroupSizeZ = */ 64,
        /* .MaxComputeUniformComponents = */ 1024,
        /* .MaxComputeTextureImageUnits = */ 16,
        /* .MaxComputeImageUniforms = */ 8,
        /* .MaxComputeAtomicCounters = */ 8,
        /* .MaxComputeAtomicCounterBuffers = */ 1,
        /* .MaxVaryingComponents = */ 60,
        /* .MaxVertexOutputComponents = */ 64,
        /* .MaxGeometryInputComponents = */ 64,
        /* .MaxGeometryOutputComponents = */ 128,
        /* .MaxFragmentInputComponents = */ 128,
        /* .MaxImageUnits = */ 8,
        /* .MaxCombinedImageUnitsAndFragmentOutputs = */ 8,
        /* .MaxCombinedShaderOutputResources = */ 8,
        /* .MaxImageSamples = */ 0,
        /* .MaxVertexImageUniforms = */ 0,
        /* .MaxTessControlImageUniforms = */ 0,
        /* .MaxTessEvaluationImageUniforms = */ 0,
        /* .MaxGeometryImageUniforms = */ 0,
        /* .MaxFragmentImageUniforms = */ 8,
        /* .MaxCombinedImageUniforms = */ 8,
        /* .MaxGeometryTextureImageUnits = */ 16,
        /* .MaxGeometryOutputVertices = */ 256,
        /* .MaxGeometryTotalOutputComponents = */ 1024,
        /* .MaxGeometryUniformComponents = */ 1024,
        /* .MaxGeometryVaryingComponents = */ 64,
        /* .MaxTessControlInputComponents = */ 128,
        /* .MaxTessControlOutputComponents = */ 128,
        /* .MaxTessControlTextureImageUnits = */ 16,
        /* .MaxTessControlUniformComponents = */ 1024,
        /* .MaxTessControlTotalOutputComponents = */ 4096,
        /* .MaxTessEvaluationInputComponents = */ 128,
        /* .MaxTessEvaluationOutputComponents = */ 128,
        /* .MaxTessEvaluationTextureImageUnits = */ 16,
        /* .MaxTessEvaluationUniformComponents = */ 1024,
        /* .MaxTessPatchComponents = */ 120,
        /* .MaxPatchVertices = */ 32,
        /* .MaxTessGenLevel = */ 64,
        /* .MaxViewports = */ 16,
        /* .MaxVertexAtomicCounters = */ 0,
        /* .MaxTessControlAtomicCounters = */ 0,
        /* .MaxTessEvaluationAtomicCounters = */ 0,
        /* .MaxGeometryAtomicCounters = */ 0,
        /* .MaxFragmentAtomicCounters = */ 8,
        /* .MaxCombinedAtomicCounters = */ 8,
        /* .MaxAtomicCounterBindings = */ 1,
        /* .MaxVertexAtomicCounterBuffers = */ 0,
        /* .MaxTessControlAtomicCounterBuffers = */ 0,
        /* .MaxTessEvaluationAtomicCounterBuffers = */ 0,
        /* .MaxGeometryAtomicCounterBuffers = */ 0,
        /* .MaxFragmentAtomicCounterBuffers = */ 1,
        /* .MaxCombinedAtomicCounterBuffers = */ 1,
        /* .MaxAtomicCounterBufferSize = */ 16384,
        /* .MaxTransformFeedbackBuffers = */ 4,
        /* .MaxTransformFeedbackInterleavedComponents = */ 64,
        /* .MaxCullDistances = */ 8,
        /* .MaxCombinedClipAndCullDistances = */ 8,
        /* .MaxSamples = */ 4,
        /* .maxMeshOutputVerticesNV = */ 256,
        /* .maxMeshOutputPrimitivesNV = */ 512,
        /* .maxMeshWorkGroupSizeX_NV = */ 32,
        /* .maxMeshWorkGroupSizeY_NV = */ 1,
        /* .maxMeshWorkGroupSizeZ_NV = */ 1,
        /* .maxTaskWorkGroupSizeX_NV = */ 32,
        /* .maxTaskWorkGroupSizeY_NV = */ 1,
        /* .maxTaskWorkGroupSizeZ_NV = */ 1,
        /* .maxMeshViewCountNV = */ 4,

#ifdef GLSLANG_ResourceLimits_maxDualSourceDrawBuffersEXT
        /*.maxDualSourceDrawBuffersEXT =*/1,
#endif

        /* .limits = */ {
            /* .nonInductiveForLoops = */ 1,
            /* .whileLoops = */ 1,
            /* .doWhileLoops = */ 1,
            /* .generalUniformIndexing = */ 1,
            /* .generalAttributeMatrixVectorIndexing = */ 1,
            /* .generalVaryingIndexing = */ 1,
            /* .generalSamplerIndexing = */ 1,
            /* .generalVariableIndexing = */ 1,
            /* .generalConstantMatrixVectorIndexing = */ 1,
        }};

    std::string GetDefaultTBuiltInResourceString()
    {
        std::ostringstream ostream;

        ostream << "MaxLights " << DefaultTBuiltInResource.maxLights << "\n"
                << "MaxClipPlanes " << DefaultTBuiltInResource.maxClipPlanes << "\n"
                << "MaxTextureUnits " << DefaultTBuiltInResource.maxTextureUnits << "\n"
                << "MaxTextureCoords " << DefaultTBuiltInResource.maxTextureCoords << "\n"
                << "MaxVertexAttribs " << DefaultTBuiltInResource.maxVertexAttribs << "\n"
                << "MaxVertexUniformComponents " << DefaultTBuiltInResource.maxVertexUniformComponents << "\n"
                << "MaxVaryingFloats " << DefaultTBuiltInResource.maxVaryingFloats << "\n"
                << "MaxVertexTextureImageUnits " << DefaultTBuiltInResource.maxVertexTextureImageUnits << "\n"
                << "MaxCombinedTextureImageUnits " << DefaultTBuiltInResource.maxCombinedTextureImageUnits << "\n"
                << "MaxTextureImageUnits " << DefaultTBuiltInResource.maxTextureImageUnits << "\n"
                << "MaxFragmentUniformComponents " << DefaultTBuiltInResource.maxFragmentUniformComponents << "\n"
                << "MaxDrawBuffers " << DefaultTBuiltInResource.maxDrawBuffers << "\n"
                << "MaxVertexUniformVectors " << DefaultTBuiltInResource.maxVertexUniformVectors << "\n"
                << "MaxVaryingVectors " << DefaultTBuiltInResource.maxVaryingVectors << "\n"
                << "MaxFragmentUniformVectors " << DefaultTBuiltInResource.maxFragmentUniformVectors << "\n"
                << "MaxVertexOutputVectors " << DefaultTBuiltInResource.maxVertexOutputVectors << "\n"
                << "MaxFragmentInputVectors " << DefaultTBuiltInResource.maxFragmentInputVectors << "\n"
                << "MinProgramTexelOffset " << DefaultTBuiltInResource.minProgramTexelOffset << "\n"
                << "MaxProgramTexelOffset " << DefaultTBuiltInResource.maxProgramTexelOffset << "\n"
                << "MaxClipDistances " << DefaultTBuiltInResource.maxClipDistances << "\n"
                << "MaxComputeWorkGroupCountX " << DefaultTBuiltInResource.maxComputeWorkGroupCountX << "\n"
                << "MaxComputeWorkGroupCountY " << DefaultTBuiltInResource.maxComputeWorkGroupCountY << "\n"
                << "MaxComputeWorkGroupCountZ " << DefaultTBuiltInResource.maxComputeWorkGroupCountZ << "\n"
                << "MaxComputeWorkGroupSizeX " << DefaultTBuiltInResource.maxComputeWorkGroupSizeX << "\n"
                << "MaxComputeWorkGroupSizeY " << DefaultTBuiltInResource.maxComputeWorkGroupSizeY << "\n"
                << "MaxComputeWorkGroupSizeZ " << DefaultTBuiltInResource.maxComputeWorkGroupSizeZ << "\n"
                << "MaxComputeUniformComponents " << DefaultTBuiltInResource.maxComputeUniformComponents << "\n"
                << "MaxComputeTextureImageUnits " << DefaultTBuiltInResource.maxComputeTextureImageUnits << "\n"
                << "MaxComputeImageUniforms " << DefaultTBuiltInResource.maxComputeImageUniforms << "\n"
                << "MaxComputeAtomicCounters " << DefaultTBuiltInResource.maxComputeAtomicCounters << "\n"
                << "MaxComputeAtomicCounterBuffers " << DefaultTBuiltInResource.maxComputeAtomicCounterBuffers << "\n"
                << "MaxVaryingComponents " << DefaultTBuiltInResource.maxVaryingComponents << "\n"
                << "MaxVertexOutputComponents " << DefaultTBuiltInResource.maxVertexOutputComponents << "\n"
                << "MaxGeometryInputComponents " << DefaultTBuiltInResource.maxGeometryInputComponents << "\n"
                << "MaxGeometryOutputComponents " << DefaultTBuiltInResource.maxGeometryOutputComponents << "\n"
                << "MaxFragmentInputComponents " << DefaultTBuiltInResource.maxFragmentInputComponents << "\n"
                << "MaxImageUnits " << DefaultTBuiltInResource.maxImageUnits << "\n"
                << "MaxCombinedImageUnitsAndFragmentOutputs " << DefaultTBuiltInResource.maxCombinedImageUnitsAndFragmentOutputs << "\n"
                << "MaxCombinedShaderOutputResources " << DefaultTBuiltInResource.maxCombinedShaderOutputResources << "\n"
                << "MaxImageSamples " << DefaultTBuiltInResource.maxImageSamples << "\n"
                << "MaxVertexImageUniforms " << DefaultTBuiltInResource.maxVertexImageUniforms << "\n"
                << "MaxTessControlImageUniforms " << DefaultTBuiltInResource.maxTessControlImageUniforms << "\n"
                << "MaxTessEvaluationImageUniforms " << DefaultTBuiltInResource.maxTessEvaluationImageUniforms << "\n"
                << "MaxGeometryImageUniforms " << DefaultTBuiltInResource.maxGeometryImageUniforms << "\n"
                << "MaxFragmentImageUniforms " << DefaultTBuiltInResource.maxFragmentImageUniforms << "\n"
                << "MaxCombinedImageUniforms " << DefaultTBuiltInResource.maxCombinedImageUniforms << "\n"
                << "MaxGeometryTextureImageUnits " << DefaultTBuiltInResource.maxGeometryTextureImageUnits << "\n"
                << "MaxGeometryOutputVertices " << DefaultTBuiltInResource.maxGeometryOutputVertices << "\n"
                << "MaxGeometryTotalOutputComponents " << DefaultTBuiltInResource.maxGeometryTotalOutputComponents << "\n"
                << "MaxGeometryUniformComponents " << DefaultTBuiltInResource.maxGeometryUniformComponents << "\n"
                << "MaxGeometryVaryingComponents " << DefaultTBuiltInResource.maxGeometryVaryingComponents << "\n"
                << "MaxTessControlInputComponents " << DefaultTBuiltInResource.maxTessControlInputComponents << "\n"
                << "MaxTessControlOutputComponents " << DefaultTBuiltInResource.maxTessControlOutputComponents << "\n"
                << "MaxTessControlTextureImageUnits " << DefaultTBuiltInResource.maxTessControlTextureImageUnits << "\n"
                << "MaxTessControlUniformComponents " << DefaultTBuiltInResource.maxTessControlUniformComponents << "\n"
                << "MaxTessControlTotalOutputComponents " << DefaultTBuiltInResource.maxTessControlTotalOutputComponents << "\n"
                << "MaxTessEvaluationInputComponents " << DefaultTBuiltInResource.maxTessEvaluationInputComponents << "\n"
                << "MaxTessEvaluationOutputComponents " << DefaultTBuiltInResource.maxTessEvaluationOutputComponents << "\n"
                << "MaxTessEvaluationTextureImageUnits " << DefaultTBuiltInResource.maxTessEvaluationTextureImageUnits << "\n"
                << "MaxTessEvaluationUniformComponents " << DefaultTBuiltInResource.maxTessEvaluationUniformComponents << "\n"
                << "MaxTessPatchComponents " << DefaultTBuiltInResource.maxTessPatchComponents << "\n"
                << "MaxPatchVertices " << DefaultTBuiltInResource.maxPatchVertices << "\n"
                << "MaxTessGenLevel " << DefaultTBuiltInResource.maxTessGenLevel << "\n"
                << "MaxViewports " << DefaultTBuiltInResource.maxViewports << "\n"
                << "MaxVertexAtomicCounters " << DefaultTBuiltInResource.maxVertexAtomicCounters << "\n"
                << "MaxTessControlAtomicCounters " << DefaultTBuiltInResource.maxTessControlAtomicCounters << "\n"
                << "MaxTessEvaluationAtomicCounters " << DefaultTBuiltInResource.maxTessEvaluationAtomicCounters << "\n"
                << "MaxGeometryAtomicCounters " << DefaultTBuiltInResource.maxGeometryAtomicCounters << "\n"
                << "MaxFragmentAtomicCounters " << DefaultTBuiltInResource.maxFragmentAtomicCounters << "\n"
                << "MaxCombinedAtomicCounters " << DefaultTBuiltInResource.maxCombinedAtomicCounters << "\n"
                << "MaxAtomicCounterBindings " << DefaultTBuiltInResource.maxAtomicCounterBindings << "\n"
                << "MaxVertexAtomicCounterBuffers " << DefaultTBuiltInResource.maxVertexAtomicCounterBuffers << "\n"
                << "MaxTessControlAtomicCounterBuffers " << DefaultTBuiltInResource.maxTessControlAtomicCounterBuffers << "\n"
                << "MaxTessEvaluationAtomicCounterBuffers " << DefaultTBuiltInResource.maxTessEvaluationAtomicCounterBuffers << "\n"
                << "MaxGeometryAtomicCounterBuffers " << DefaultTBuiltInResource.maxGeometryAtomicCounterBuffers << "\n"
                << "MaxFragmentAtomicCounterBuffers " << DefaultTBuiltInResource.maxFragmentAtomicCounterBuffers << "\n"
                << "MaxCombinedAtomicCounterBuffers " << DefaultTBuiltInResource.maxCombinedAtomicCounterBuffers << "\n"
                << "MaxAtomicCounterBufferSize " << DefaultTBuiltInResource.maxAtomicCounterBufferSize << "\n"
                << "MaxTransformFeedbackBuffers " << DefaultTBuiltInResource.maxTransformFeedbackBuffers << "\n"
                << "MaxTransformFeedbackInterleavedComponents " << DefaultTBuiltInResource.maxTransformFeedbackInterleavedComponents << "\n"
                << "MaxCullDistances " << DefaultTBuiltInResource.maxCullDistances << "\n"
                << "MaxCombinedClipAndCullDistances " << DefaultTBuiltInResource.maxCombinedClipAndCullDistances << "\n"
                << "MaxSamples " << DefaultTBuiltInResource.maxSamples << "\n"
#ifdef NV_EXTENSIONS
                << "MaxMeshOutputVerticesNV " << DefaultTBuiltInResource.maxMeshOutputVerticesNV << "\n"
                << "MaxMeshOutputPrimitivesNV " << DefaultTBuiltInResource.maxMeshOutputPrimitivesNV << "\n"
                << "MaxMeshWorkGroupSizeX_NV " << DefaultTBuiltInResource.maxMeshWorkGroupSizeX_NV << "\n"
                << "MaxMeshWorkGroupSizeY_NV " << DefaultTBuiltInResource.maxMeshWorkGroupSizeY_NV << "\n"
                << "MaxMeshWorkGroupSizeZ_NV " << DefaultTBuiltInResource.maxMeshWorkGroupSizeZ_NV << "\n"
                << "MaxTaskWorkGroupSizeX_NV " << DefaultTBuiltInResource.maxTaskWorkGroupSizeX_NV << "\n"
                << "MaxTaskWorkGroupSizeY_NV " << DefaultTBuiltInResource.maxTaskWorkGroupSizeY_NV << "\n"
                << "MaxTaskWorkGroupSizeZ_NV " << DefaultTBuiltInResource.maxTaskWorkGroupSizeZ_NV << "\n"
                << "MaxMeshViewCountNV " << DefaultTBuiltInResource.maxMeshViewCountNV << "\n"
#endif
                << "nonInductiveForLoops " << DefaultTBuiltInResource.limits.nonInductiveForLoops << "\n"
                << "whileLoops " << DefaultTBuiltInResource.limits.whileLoops << "\n"
                << "doWhileLoops " << DefaultTBuiltInResource.limits.doWhileLoops << "\n"
                << "generalUniformIndexing " << DefaultTBuiltInResource.limits.generalUniformIndexing << "\n"
                << "generalAttributeMatrixVectorIndexing " << DefaultTBuiltInResource.limits.generalAttributeMatrixVectorIndexing << "\n"
                << "generalVaryingIndexing " << DefaultTBuiltInResource.limits.generalVaryingIndexing << "\n"
                << "generalSamplerIndexing " << DefaultTBuiltInResource.limits.generalSamplerIndexing << "\n"
                << "generalVariableIndexing " << DefaultTBuiltInResource.limits.generalVariableIndexing << "\n"
                << "generalConstantMatrixVectorIndexing " << DefaultTBuiltInResource.limits.generalConstantMatrixVectorIndexing << "\n";

        return ostream.str();
    }

    void DecodeResourceLimits(TBuiltInResource* resources, char* config)
    {
        static const char* delims = " \t\n\r";

        size_t pos = 0;
        std::string configStr(config);

        while ((pos = configStr.find_first_not_of(delims, pos)) != std::string::npos)
        {
            const size_t token_s = pos;
            const size_t token_e = configStr.find_first_of(delims, token_s);
            const size_t value_s = configStr.find_first_not_of(delims, token_e);
            const size_t value_e = configStr.find_first_of(delims, value_s);
            pos = value_e;

            // Faster to use compare(), but prefering readability.
            const std::string tokenStr = configStr.substr(token_s, token_e - token_s);
            const std::string valueStr = configStr.substr(value_s, value_e - value_s);

            if (value_s == std::string::npos || !(valueStr[0] == '-' || isdigit(valueStr[0])))
            {
                printf("Error: '%s' bad .conf file.  Each name must be followed by one number.\n",
                       valueStr.c_str());
                return;
            }

            const int value = std::atoi(valueStr.c_str());

            if (tokenStr == "MaxLights")
                resources->maxLights = value;
            else if (tokenStr == "MaxClipPlanes")
                resources->maxClipPlanes = value;
            else if (tokenStr == "MaxTextureUnits")
                resources->maxTextureUnits = value;
            else if (tokenStr == "MaxTextureCoords")
                resources->maxTextureCoords = value;
            else if (tokenStr == "MaxVertexAttribs")
                resources->maxVertexAttribs = value;
            else if (tokenStr == "MaxVertexUniformComponents")
                resources->maxVertexUniformComponents = value;
            else if (tokenStr == "MaxVaryingFloats")
                resources->maxVaryingFloats = value;
            else if (tokenStr == "MaxVertexTextureImageUnits")
                resources->maxVertexTextureImageUnits = value;
            else if (tokenStr == "MaxCombinedTextureImageUnits")
                resources->maxCombinedTextureImageUnits = value;
            else if (tokenStr == "MaxTextureImageUnits")
                resources->maxTextureImageUnits = value;
            else if (tokenStr == "MaxFragmentUniformComponents")
                resources->maxFragmentUniformComponents = value;
            else if (tokenStr == "MaxDrawBuffers")
                resources->maxDrawBuffers = value;
            else if (tokenStr == "MaxVertexUniformVectors")
                resources->maxVertexUniformVectors = value;
            else if (tokenStr == "MaxVaryingVectors")
                resources->maxVaryingVectors = value;
            else if (tokenStr == "MaxFragmentUniformVectors")
                resources->maxFragmentUniformVectors = value;
            else if (tokenStr == "MaxVertexOutputVectors")
                resources->maxVertexOutputVectors = value;
            else if (tokenStr == "MaxFragmentInputVectors")
                resources->maxFragmentInputVectors = value;
            else if (tokenStr == "MinProgramTexelOffset")
                resources->minProgramTexelOffset = value;
            else if (tokenStr == "MaxProgramTexelOffset")
                resources->maxProgramTexelOffset = value;
            else if (tokenStr == "MaxClipDistances")
                resources->maxClipDistances = value;
            else if (tokenStr == "MaxComputeWorkGroupCountX")
                resources->maxComputeWorkGroupCountX = value;
            else if (tokenStr == "MaxComputeWorkGroupCountY")
                resources->maxComputeWorkGroupCountY = value;
            else if (tokenStr == "MaxComputeWorkGroupCountZ")
                resources->maxComputeWorkGroupCountZ = value;
            else if (tokenStr == "MaxComputeWorkGroupSizeX")
                resources->maxComputeWorkGroupSizeX = value;
            else if (tokenStr == "MaxComputeWorkGroupSizeY")
                resources->maxComputeWorkGroupSizeY = value;
            else if (tokenStr == "MaxComputeWorkGroupSizeZ")
                resources->maxComputeWorkGroupSizeZ = value;
            else if (tokenStr == "MaxComputeUniformComponents")
                resources->maxComputeUniformComponents = value;
            else if (tokenStr == "MaxComputeTextureImageUnits")
                resources->maxComputeTextureImageUnits = value;
            else if (tokenStr == "MaxComputeImageUniforms")
                resources->maxComputeImageUniforms = value;
            else if (tokenStr == "MaxComputeAtomicCounters")
                resources->maxComputeAtomicCounters = value;
            else if (tokenStr == "MaxComputeAtomicCounterBuffers")
                resources->maxComputeAtomicCounterBuffers = value;
            else if (tokenStr == "MaxVaryingComponents")
                resources->maxVaryingComponents = value;
            else if (tokenStr == "MaxVertexOutputComponents")
                resources->maxVertexOutputComponents = value;
            else if (tokenStr == "MaxGeometryInputComponents")
                resources->maxGeometryInputComponents = value;
            else if (tokenStr == "MaxGeometryOutputComponents")
                resources->maxGeometryOutputComponents = value;
            else if (tokenStr == "MaxFragmentInputComponents")
                resources->maxFragmentInputComponents = value;
            else if (tokenStr == "MaxImageUnits")
                resources->maxImageUnits = value;
            else if (tokenStr == "MaxCombinedImageUnitsAndFragmentOutputs")
                resources->maxCombinedImageUnitsAndFragmentOutputs = value;
            else if (tokenStr == "MaxCombinedShaderOutputResources")
                resources->maxCombinedShaderOutputResources = value;
            else if (tokenStr == "MaxImageSamples")
                resources->maxImageSamples = value;
            else if (tokenStr == "MaxVertexImageUniforms")
                resources->maxVertexImageUniforms = value;
            else if (tokenStr == "MaxTessControlImageUniforms")
                resources->maxTessControlImageUniforms = value;
            else if (tokenStr == "MaxTessEvaluationImageUniforms")
                resources->maxTessEvaluationImageUniforms = value;
            else if (tokenStr == "MaxGeometryImageUniforms")
                resources->maxGeometryImageUniforms = value;
            else if (tokenStr == "MaxFragmentImageUniforms")
                resources->maxFragmentImageUniforms = value;
            else if (tokenStr == "MaxCombinedImageUniforms")
                resources->maxCombinedImageUniforms = value;
            else if (tokenStr == "MaxGeometryTextureImageUnits")
                resources->maxGeometryTextureImageUnits = value;
            else if (tokenStr == "MaxGeometryOutputVertices")
                resources->maxGeometryOutputVertices = value;
            else if (tokenStr == "MaxGeometryTotalOutputComponents")
                resources->maxGeometryTotalOutputComponents = value;
            else if (tokenStr == "MaxGeometryUniformComponents")
                resources->maxGeometryUniformComponents = value;
            else if (tokenStr == "MaxGeometryVaryingComponents")
                resources->maxGeometryVaryingComponents = value;
            else if (tokenStr == "MaxTessControlInputComponents")
                resources->maxTessControlInputComponents = value;
            else if (tokenStr == "MaxTessControlOutputComponents")
                resources->maxTessControlOutputComponents = value;
            else if (tokenStr == "MaxTessControlTextureImageUnits")
                resources->maxTessControlTextureImageUnits = value;
            else if (tokenStr == "MaxTessControlUniformComponents")
                resources->maxTessControlUniformComponents = value;
            else if (tokenStr == "MaxTessControlTotalOutputComponents")
                resources->maxTessControlTotalOutputComponents = value;
            else if (tokenStr == "MaxTessEvaluationInputComponents")
                resources->maxTessEvaluationInputComponents = value;
            else if (tokenStr == "MaxTessEvaluationOutputComponents")
                resources->maxTessEvaluationOutputComponents = value;
            else if (tokenStr == "MaxTessEvaluationTextureImageUnits")
                resources->maxTessEvaluationTextureImageUnits = value;
            else if (tokenStr == "MaxTessEvaluationUniformComponents")
                resources->maxTessEvaluationUniformComponents = value;
            else if (tokenStr == "MaxTessPatchComponents")
                resources->maxTessPatchComponents = value;
            else if (tokenStr == "MaxPatchVertices")
                resources->maxPatchVertices = value;
            else if (tokenStr == "MaxTessGenLevel")
                resources->maxTessGenLevel = value;
            else if (tokenStr == "MaxViewports")
                resources->maxViewports = value;
            else if (tokenStr == "MaxVertexAtomicCounters")
                resources->maxVertexAtomicCounters = value;
            else if (tokenStr == "MaxTessControlAtomicCounters")
                resources->maxTessControlAtomicCounters = value;
            else if (tokenStr == "MaxTessEvaluationAtomicCounters")
                resources->maxTessEvaluationAtomicCounters = value;
            else if (tokenStr == "MaxGeometryAtomicCounters")
                resources->maxGeometryAtomicCounters = value;
            else if (tokenStr == "MaxFragmentAtomicCounters")
                resources->maxFragmentAtomicCounters = value;
            else if (tokenStr == "MaxCombinedAtomicCounters")
                resources->maxCombinedAtomicCounters = value;
            else if (tokenStr == "MaxAtomicCounterBindings")
                resources->maxAtomicCounterBindings = value;
            else if (tokenStr == "MaxVertexAtomicCounterBuffers")
                resources->maxVertexAtomicCounterBuffers = value;
            else if (tokenStr == "MaxTessControlAtomicCounterBuffers")
                resources->maxTessControlAtomicCounterBuffers = value;
            else if (tokenStr == "MaxTessEvaluationAtomicCounterBuffers")
                resources->maxTessEvaluationAtomicCounterBuffers = value;
            else if (tokenStr == "MaxGeometryAtomicCounterBuffers")
                resources->maxGeometryAtomicCounterBuffers = value;
            else if (tokenStr == "MaxFragmentAtomicCounterBuffers")
                resources->maxFragmentAtomicCounterBuffers = value;
            else if (tokenStr == "MaxCombinedAtomicCounterBuffers")
                resources->maxCombinedAtomicCounterBuffers = value;
            else if (tokenStr == "MaxAtomicCounterBufferSize")
                resources->maxAtomicCounterBufferSize = value;
            else if (tokenStr == "MaxTransformFeedbackBuffers")
                resources->maxTransformFeedbackBuffers = value;
            else if (tokenStr == "MaxTransformFeedbackInterleavedComponents")
                resources->maxTransformFeedbackInterleavedComponents = value;
            else if (tokenStr == "MaxCullDistances")
                resources->maxCullDistances = value;
            else if (tokenStr == "MaxCombinedClipAndCullDistances")
                resources->maxCombinedClipAndCullDistances = value;
            else if (tokenStr == "MaxSamples")
                resources->maxSamples = value;
#ifdef NV_EXTENSIONS
            else if (tokenStr == "MaxMeshOutputVerticesNV")
                resources->maxMeshOutputVerticesNV = value;
            else if (tokenStr == "MaxMeshOutputPrimitivesNV")
                resources->maxMeshOutputPrimitivesNV = value;
            else if (tokenStr == "MaxMeshWorkGroupSizeX_NV")
                resources->maxMeshWorkGroupSizeX_NV = value;
            else if (tokenStr == "MaxMeshWorkGroupSizeY_NV")
                resources->maxMeshWorkGroupSizeY_NV = value;
            else if (tokenStr == "MaxMeshWorkGroupSizeZ_NV")
                resources->maxMeshWorkGroupSizeZ_NV = value;
            else if (tokenStr == "MaxTaskWorkGroupSizeX_NV")
                resources->maxTaskWorkGroupSizeX_NV = value;
            else if (tokenStr == "MaxTaskWorkGroupSizeY_NV")
                resources->maxTaskWorkGroupSizeY_NV = value;
            else if (tokenStr == "MaxTaskWorkGroupSizeZ_NV")
                resources->maxTaskWorkGroupSizeZ_NV = value;
            else if (tokenStr == "MaxMeshViewCountNV")
                resources->maxMeshViewCountNV = value;
#endif
            else if (tokenStr == "nonInductiveForLoops")
                resources->limits.nonInductiveForLoops = (value != 0);
            else if (tokenStr == "whileLoops")
                resources->limits.whileLoops = (value != 0);
            else if (tokenStr == "doWhileLoops")
                resources->limits.doWhileLoops = (value != 0);
            else if (tokenStr == "generalUniformIndexing")
                resources->limits.generalUniformIndexing = (value != 0);
            else if (tokenStr == "generalAttributeMatrixVectorIndexing")
                resources->limits.generalAttributeMatrixVectorIndexing = (value != 0);
            else if (tokenStr == "generalVaryingIndexing")
                resources->limits.generalVaryingIndexing = (value != 0);
            else if (tokenStr == "generalSamplerIndexing")
                resources->limits.generalSamplerIndexing = (value != 0);
            else if (tokenStr == "generalVariableIndexing")
                resources->limits.generalVariableIndexing = (value != 0);
            else if (tokenStr == "generalConstantMatrixVectorIndexing")
                resources->limits.generalConstantMatrixVectorIndexing = (value != 0);
            else
                printf("Warning: unrecognized limit (%s) in configuration file.\n", tokenStr.c_str());
        }
    }

} // end namespace glslang
